Formula: C21H24O13 | Mol. Weight: 484.40 g/mol
IUPAC: (3S,3aR,4'R,6S,6aS)-6a-hydroxy-4'-(4-hydroxyphenyl)-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyspiro[3,3a-dihydro-2H-furo[3,2-b]furan-6,5'-oxolane]-2',5-dione
C1C(C2(C(=O)OC3C2(OCC3OC4C(C(C(C(O4)CO)O)O)O)O)OC1=O)C5=CC=C(C=C5)O